The ALCF provides users with access to supercomputing resources that are significantly more powerful than systems typically used for open scientific research.
The ALCF is accelerating scientific discoveries in many disciplines, ranging from chemistry and engineering to physics and materials science.
The ALCF is committed to providing training and outreach opportunities that prepare researchers to efficiently use its leadership computing systems, while also cultivating a diverse and skilled HPC workforce for the future.
The Argonne Leadership Computing Facility enables breakthroughs in science and engineering by providing supercomputing resources and expertise to the research community.
The ALCF Support Center assists users with support requests related to their ALCF projects.
Help Desk Hours: 9:00am-5:00pm CT M-F Email: support@alcf.anl.gov
The ALCF’s talented and diverse staff makes the facility one of the world's premier centers for scientific computing.
Director of Operations OperationsLeadership 630-252-7573 allcock@anl.gov
Principal HPC Systems Administration Specialist OperationsHPC Systems & Network Administration 630-252-0554 allen@alcf.anl.gov
Computational Scientist TechnologyPerformance Engineering 630-252-3820 vanisimov@anl.gov
Computational Scientist TechnologyPerformance Engineering 630-252-0036 tapplencourt@anl.gov
Contractor - Python Programmer Data Science arnoldw@anl.gov
Assistant Computational Scientist Performance Engineering abagusetty@anl.gov
Computational Scientist (Fluid Mechanic) Science bramesh@anl.gov
Assistant Computational Scientist Science rbalin@anl.gov
Postdoctoral Appointee TechnologyData Science rbarik@anl.gov
Postdoctoral Appointee - Computer Science TechnologyPerformance Engineering sbekele@anl.gov
Computational Scientist TechnologyPerformance Engineering 630-252-2358 bertoni@anl.gov
Principal HPC Systems Administration Specialist OperationsHPC Systems & Network Administration 630-252-7061 cblackworth@anl.gov
Cray Consultant OperationsHPC Systems & Network Administration 630-252-6175 jbouvet@anl.gov
HPC Systems Administration Specialist OperationsHPC Systems & Network Administration bbrickman@anl.gov
Argonne Associate Office of the Director llbriggs@anl.gov
Intel COE Consultant TechnologyPerformance Engineering 630-252-0023 rbustamante@anl.gov
Head of ALCF Communications Office of the DirectorCommunications 630-252-1100 bcerny@anl.gov
HPC Systems Administration Specialist OperationsHPC Systems & Network Administration 630-252-4296 acherry@alcf.anl.gov
Deputy Technical Director, ALCF-4 & Computer Scientist Data ScienceLeadershipALCF-X Projects 630-252-7163 jchilders@anl.gov
Principal Software Engineer OperationsAdvanced Integration Group 630-252-0922 childers@anl.gov
Postdoctoral Appointee - AI for Science Architectures TechnologyData Science schittyvenkata@anl.gov
Argonne Associate TechnologyPerformance Engineering pcoffman@anl.gov
Project Director, ALCF-3 LeadershipALCF-X Projects 630-252-1637 smc@anl.gov
Coordinating Writer/Editor Office of the DirectorCommunications 630-252-9860 jcollins@anl.gov
Contractor - Data Services Software Developer OperationsAdvanced Integration Group bcote@anl.gov
Network Engineer - HPC Systems and Network Administration OperationsHPC Systems & Network Administration grog@anl.gov
Intel COE Consultant TechnologyPerformance Engineering mdmello@anl.gov
Principal Scientific Applications Engineering Specialist Science 217-621-5670 mdewing@anl.gov
Executive Assistant Office of the Director 630-252-8600 dibennar@anl.gov
Systems Integration Administration OperationsHPC Storage 630-252-2362 jdigilio@anl.gov
Computer Scientist TechnologyData Science 630-252-3090 memani@anl.gov
Consultant Science 630-252-5770 jemberson@anl.gov
Budget Resource Administrator Office of the Director 630-252-4086 lesquivel@anl.gov
Computational Science Science 630-252-3344 felker@anl.gov
Assistant Computational Scientist ScienceData Science 630-252-0945 foremans@anl.gov
User Support Engineer jfrancis@anl.gov
Linux Systems Administration Specialist OperationsHPC Infrastructure rgallimore@anl.gov
Performance Engineer TechnologyPerformance Engineering longfei.gao@anl.gov
Principal Project Specialist - Computational Science Science 630-252-0091 mgarcia@alcf.anl.gov
Application Security Engineer OperationsAdvanced Integration Group jgarrett@anl.gov
Computational Scientist TechnologyPerformance Engineering 630-252-1398 ghadar@anl.gov
Consultant Operations lgiacchetti@anl.gov
Senior Economic and Financial Strategist Office of the Director 630-252-8500 i@anl.gov
HPC Systems Administration Specialist OperationsHPC Systems & Network Administration 630-252-1853 cheetah@alcf.anl.gov
Intel COE Consultant TechnologyPerformance Engineering dguo@anl.gov
Technical Director, ALCF-4 LeadershipALCF-X Projects 630-252-3398 harms@alcf.anl.gov
Assistant Computer Scientist TechnologyData Science vhatanpaeae@anl.gov
Science Writer/Editor Office of the DirectorCommunications nheinonen@anl.gov
Intel COE Consultant Performance Engineering brian.holland@intel.com
Principal HPC Network Administration Specialist OperationsHPC Systems & Network Administration 630-252-6094 carissa@anl.gov
Assistant Computer Scientist TechnologyPerformance Engineering 630-252-9572 bhomerding@anl.gov
Postdoctoral Appointee - Super Computing and Python Data Science hossainm@anl.gov
Visualization & Data Analytics Team Lead TechnologyVisualization and Data Analytics 630-252-5649 insley@anl.gov
HPC Systems Administration Specialist OperationsHPC Systems & Network Administration 630-252-2600 tjackson@alcf.anl.gov
Team Lead, Web Development OperationsAdvanced Integration Group 630-252-3422 jaseckas@anl.gov
Principal Project Specialist – Computational Science Science 630-252-8688 wjiang@alcf.anl.gov
Assistant Computational Scientist - Lattice QCD Science 630-252-0049 xjin@anl.gov
User Experience Administrator OperationsTechnical Support 630-252-0958 mkaczmar@alcf.anl.gov
Postdoctoral Appointee Visualization and Data Analytics kale@anl.gov
Faculty Sabbatical Office of the DirectorLeadership ikash@anl.gov
Assistant Computer Scientist TechnologyData Science 408-518-1730 vsastry@anl.gov
Assistant Computational Scientist Science 630-252-7912 keceli@anl.gov
Education Outreach Lead Educational and Training OutreachOffice of the Director 630-252-1012 pkinsley@anl.gov
Computational Scientist / Catalyst Team Lead Science 630-252-9793 knightc@anl.gov
Principal Software Development Specialist TechnologyVisualization and Data Analytics 630-252-6342 jknowles@alcf.anl.gov
HPC Systems Administration Specialist OperationsHPC Systems & Network Administration skoyama@anl.gov
Postbaccalaureate Appointee TechnologyData Science eku@anl.gov
Principal HPC Systems Administration Specialist OperationsHPC Storage 630-252-3848 akulyavtsev@anl.gov
Director of Technology TechnologyLeadership 630-252 5941 kumaran@anl.gov
Division Finance Manager OperationsOffice of the DirectorFinancial Business Manager kkveton@anl.gov
Computational Scientist TechnologyPerformance Engineering 630-252-6515 jkwack@anl.gov
Joint Appointment Office of the Director 312.413.1616 zlan@uic.edu
Deputy Director of Operations & Deputy Project Director, ALCF-3 and ALCF-4 OperationsLeadershipALCF-X Projects 630-252-1937 tleggett@anl.gov
HPC Systems & Database Administrator OperationsHPC Systems & Network Administration 630-252-1295 blenard@anl.gov
Computer Scientist TechnologyPerformance Engineering 630-252-0023 nliber@anl.gov
HPC Systems Administration Specialist OperationsHPC Storage (630) 252 1205 aliu@alcf.anl.gov
Lead, Training, Debuggers, and Math Libraries TechnologyPerformance Engineering 630-252-7205 rloy@alcf.anl.gov
Consultant - HPC Systems Administration Specialist OperationsHPC Systems & Network Administration 505-365-1115 mluczkow@anl.gov
Communications Coordinator Office of the DirectorCommunications lludwig@anl.gov
Assistant Computational Scientist Science 630-252-3183 yeluo@anl.gov
Computer Scientist TechnologyData Science 630-252-3747 blusch@anl.gov
Intel COE Consultant TechnologyPerformance Engineering varsha.madananth@intel.com
User Experience Analyst OperationsTechnical Support 630-252-5295 mantrala@alcf.anl.gov
Computer Scientist Office of the Director tmarrinan@anl.gov
Manager, Industry Partnerships and Outreach Office of the DirectorIndustry Outreach +1 630-252-0929 dem@alcf.anl.gov
Assistant Computer Scientist TechnologyVisualization and Data Analytics vmateevitsi@anl.gov
Full Stack Web Developer OperationsAdvanced Integration Group 630-252-1145 gmayorga@anl.gov
HPC Systems Administration Specialist - File Systems OperationsHPC Storage 630-252-6430 gmcpheeters@anl.gov
HPC Systems Administration Specialist OperationsHPC Systems & Network Administration meyera@anl.gov
Team Lead, HPC Systems & Network Administration OperationsHPC Systems & Network Administration 630-252-6084 rmilner@alcf.anl.gov
Lead, Application Performance and Performance Modeling TechnologyPerformance Engineering 630 252-7068 morozov@anl.gov
Computer Science TechnologyPerformance Engineering 630-252-3446 smuralidharan@anl.gov
HPC Systems Administration Associate - Storage Team OperationsHPC Storage 630-252-5059 znault@anl.gov
Senior Cyber Security Engineer OperationsHPC Systems & Network Administration jneel@anl.gov
Assistant Computer Scientist ScienceData Science mngom@anl.gov
Assistant Computer Scientist Data Science nnichols@anl.gov
Team Lead / HPC Storage OperationsHPC Storage 630-252-3610 joconne@alcf.anl.gov
User Experience Strategist Advanced Integration Group joconnor@anl.gov
Consultant Operations doglesbee@anl.gov
Postdoctoral Appointee - Data Scientist for Supercomputing Logs TechnologyData Science 630-252-1468 nokafor@anl.gov
Computational Scientist / Catalyst Team Lead Science 630-252-6327 osborn@alcf.anl.gov
HPC Partnerships and Outreach Specialist Office of the DirectorEducational and Training Outreach zouma@anl.gov
Division Director Office of the DirectorLeadership 630-252-1556 papka@anl.gov
Performance Engineering Team Lead TechnologyPerformance Engineering 630-252-3446 sparker@anl.gov
Assistant Computational Scientist Science 630-252-0051 spatel@anl.gov
Principal Software Development Specialist OperationsAdvanced Integration Group 630-252-5744 pershey@anl.gov
LCF Human Resource Representative 630-252-3556 rplzak@anl.gov
Computational Scientist Science 630-252-8745 apope@anl.gov
Systems Integration Admin/Support OperationsHPC Systems & Network Administration 630-252-2352 rpowell@anl.gov
Deputy Division Director & Project Director, ALCF-4 LeadershipALCF-X Projects 630-252-1781 jini@alcf.anl.gov
Assistant Computer Scientist Data Science sraskar@anl.gov
Postdoctoral Appointee TechnologyPerformance Engineering tratnayaka@anl.gov
Team Lead / HPC Infrastructure OperationsHPC Infrastructure 630-252-1377 jreddy@alcf.anl.gov
Principal Software Development Specialist OperationsAdvanced Integration Group 630-252-2430 richp@alcf.anl.gov
Director of Science ScienceLeadership 630-252-5786 riley@alcf.anl.gov
Computer Scientist TechnologyVisualization and Data Analytics 630-252-0022 srizzi@alcf.anl.gov
Consultant - Principal Software Development Specialist OperationsAdvanced Integration Group 630-252-5569 rojas@alcf.anl.gov
Assistant Computational Scientist TechnologyPerformance Engineering 630-252-2251 krowe@anl.gov
Consultant Performance Engineering aaron@jubileedev.com
Systems Integration Admin/Support OperationsHPC Systems & Network Administration kaschmitt@anl.gov
Project Lead for Innovation Office of the DirectorLeadership lschulz@anl.gov
Technical Support Analyst OperationsTechnical Support 630-252-5745 scott@alcf.anl.gov
HPC Systems Administration Specialist OperationsHPC Systems & Network Administration 630-252-0115 ascovel@alcf.anl.gov
Principal Nuclear Engineer Science 630-252-4477 eshemon@anl.gov
Postdoctoral Appointee Visualization and Data Analytics shilpika@anl.gov
Assistant Computational Scientist Science 630-252-7933 hshin@anl.gov
Containerization and Confidential Computing Architect OperationsAdvanced Integration Group pshyamshankar@anl.gov
User Experience Specialist / Team Lead OperationsTechnical Support 630-252-4211 haritha@anl.gov
Computer Scientist Data Science fsimini@anl.gov
Assistant Computational Scientist TechnologyData Science csimpson@anl.gov
Divisional Operations Lead Office of the DirectorLeadership 630-252-6488 simspartacz@anl.gov
Intel COE Consultant TechnologyPerformance Engineering psteinbrecher@anl.gov
Assistant Computer Scientist Science 630-476-0115 dstevens@anl.gov
HPC Partnerships and Outreach Specialist Office of the DirectorEducational and Training Outreach kstreu@anl.gov
HPC Systems Administration Specialist OperationsHPC Systems & Network Administration 630-252-2712 msuliba@anl.gov
Principal Software Development Specialist OperationsAdvanced Integration Group ssusan@anl.gov
Software Engineer OperationsAdvanced Integration Group sswartz@anl.gov
Data Services Architect TechnologyData Science 630-252-3216 atanikanti@anl.gov
Postdoctoral Appointee 517-583-3951 mthavappiragasam@anl.gov
Guest Faculty Research Participant TechnologyData Science 630-252-4204 gkt@anl.gov
Consultant/Software Engineer OperationsAdvanced Integration Group 630-252-6722 toonen@alcf.anl.gov
Systems Integration Admin/Support OperationsHPC Systems & Network Administration pupton@anl.gov
Data Sciences and Workflows Team Lead TechnologyData Science 630-252-4596 turam@anl.gov
Assistant Computational Scientist ScienceTechnologyData Science 630-252-2469 mvardhan@anl.gov
Postdoctoral Appointee - Cancer Drug Discovery Using ML and Exascale Computing Data Science avasan@anl.gov
Principal Software Development Specialist Science 630-252-0171 vama@alcf.anl.gov
Consultant Science pvelesko@anl.gov
Assistant Computer Scientist TechnologyData Science kaushik.v@anl.gov
Performance Engineering Team Lead TechnologyPerformance Engineering 630-252-6193 bvideau@anl.gov
Data Science Team Lead TechnologyData Science 630-252-4971 venkat@anl.gov
Lead Senior Data Architect OperationsBusiness Intelligence 630-252-2884 dwaldron@alcf.anl.gov
Consultant Operations william.wang@anl.gov
Software Architecture Engineer OperationsAdvanced Integration Group 630-252-1094 gwest@alcf.anl.gov
Computational Scientist Science
Coordinating Writer/Editor Office of the DirectorCommunications lwolf@anl.gov
Linux Systems Administration Specialist OperationsHPC Infrastructure syousef@anl.gov
Senior Data Architect OperationsBusiness Intelligence 630-252-6027 zhangm@anl.gov
Computer Scientist TechnologyData Science 630-252-8643 huihuo.zheng@anl.gov
